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Hi vs Oh - What's the difference?

hi | oh |

As a verb hi

is to call.

As a noun oh is

uh (expression of uncertainty).

hi

English

Alternative forms

* (l)

Interjection

(wikipedia hi) (en interjection)
  • A friendly, informal, casual greeting said when meeting someone.
  • An exclamation to call attention.
  • * , chapter=7
    • , title= Mr. Pratt's Patients , passage=I made a speaking trumpet of my hands and commenced to whoop “Ahoy!” and “Hello!” at the top of my lungs. […] The Colonel woke up, and, after asking what in brimstone was the matter, opened his mouth and roared “Hi! ” and “Hello!” like the bull of Bashan.}}

    Synonyms

    * (friendly informal greeting) hello

    Adjective

    (head)
  • , often hyphenated.
    • Get hi- quality videos here!
    Next, set the burner to ''hi .

    Derived terms

    * hi-tech * hi-lo * hi-five

    Related terms

    * lo * mid

    Noun

    hi (no attested plural)
  • "Hi" or similar greeting.

    • Synonyms

    * greeting, hello

    Anagrams

    * English two-letter words ----

    oh

    English

    Abbreviation

    (Abbreviation) (head)
  • (US) Ohio, a state of the United States of America.
  • (organic chemistry) Symbol for a hydroxyl, or alcohol, functional group.
  • (inorganic chemistry) Symbol for a hydroxide radical, or hydroxyl group.
  • (US, army, aviation) Prefix code for observation helicopter designations.
  • (Internet slang) Other half, i.e., husband, wife, partner, etc.